print('Введите скобки')
a=input()
b='(),[],{},<>'
s=''
for el in a:
    if el in b:
        s+=el
while '()' in s or '[]' in s or '{}' in s or '<>' in s :
    s=s.replace('()', '')
    s=s.replace('[]', '')
    s=s.replace('{}', '')
    s=s.replace('<>', '')
    if s=='':
        print('True')
    else:
        print('False')
